Respuesta :
Function A(n) = 2n is continuous data.
What is discrete data?
" Discrete data is the data which represents finite number and not related to any other variable. It is isolated."
What is continuous data?
" Continuous data represents the infinite data and it is obtained by measuring. It is related."
According to the question,
A supermarket sell string beans for $2 a pound.
Function A(n) = 2n
It represents the relation between selling of string beans to the price.
Therefore, it is continuous data.
Hence, function A(n) = 2n is continuous data.
Learn more about continuous data  here
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